This dataset contains acceleration data measured from 19 low-cost and open-source bottom-mounted floats called 'Mini Buoys', to identify hydrological conditions associated with thriving and failing planted mangrove patches in Thai Binh Nature Reserve in the Red River Delta, Vietnam. Data were collected between 08-09-2022 to 19-09-2022. Full details about this dataset can be found at https://doi.org/10.5285/f88b5f8e-9715-4b61-9fb6-a2e8d0da1ee2